FI SYSTEM DIAGNOSIS 4-57
DTC “C32” (P0201) or “C33” (P0202): FUEL INJECTOR CIRCUIT
MALFUNCTION
DETECTED CONDITION AND POSSIBLE CAUSE
WIRING DIAGRAM
TROUBLESHOOTING
NOTE:
After repairing the trouble, clear the DTC using SDS tool. (
4-25)
Step 1
Injector power supply circuit check
1) Turn the ignition switch OFF.
2) Remove the fuel tank. (
5-2)
3) Disconnect the injector coupler related to DTC. (#1 cylinder
1
or #2 cylinder
2
)
DETECTED CONDITION
POSSIBLE CAUSE
CKP signal is produced but fuel injector signal is
interrupted by 4 times or more continuity.
• Injector circuit open or short.
• Injector malfunction.
• ECM malfunction.
When using the multi circuit tester, do not strongly touch the terminal of the ECM coupler with
a needle-point tester probe to prevent terminal damage.
ECM
FP relay
Bl/Y
Bl/G
#2
#1
To engine
stop switch
#2
#1
Fuel injector
O/Bl
15 16 17 18 19
22 23
20 21
24 25 26
2 3 4 5 6
9 10
7 8
11 12 13
27 28 29 30 31 32 33 34 35
36 37 38 39 40 41 42 43 44
1
14
ECM coupler (Harness side)
1